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7x + 8 = 84 Subtract 8 from bith sides: 7x = 76 Divide both sides by 7: x = 76/7 = 10.8571428...
7x2+49x+84 = 0 Divide all terms by 7: x2+7x+12 = 0 Factorize: (x+3)(x+4) = 0 Therefore the x intercepts are -3 and -4
x - 12 = 91 - 84x - 12 = 7x = 19
19
7=84 --=-- 10=x 7x=840 ---=---- 7 = 7 x = 120 x equals how many oz 10 cubes can hold